dueholmsolution.dk
📜 Historical scan 2026-06-17 04:55:16  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   75ms
NameserverIP addressesPTRASN / ISP
ns1.bdm.microsoftonline.com — — —
ns2.bdm.microsoftonline.com — — —
ns3.bdm.microsoftonline.com — — —
ns4.bdm.microsoftonline.com — — —
🌍 A Records1 records   74ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.9.90.188 — host6.slyde.dk AS24940 Hetzner Online GmbH 5.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   75ms
PriorityTTLMail ServerIP addressesPTRASN
0 — dueholmsolution-dk.mail.protection.outlook.com 52.101.68.16
52.101.68.27
52.101.73.1
52.101.73.6		 mail-db4pr02cu00400.inbound.protection.outlook.com
mail-db7pr03cu00503.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am6pr04cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   166ms
TXT Record
mscid=8O/CuR2ZtIXWiwjzrs802Bky5ohXFsvz8JIKpj9xvtYVqrka2qHsv6W5ej2BNSBabvs8QNbc23tgYN+OuGQkjw==
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (dueholmsolution.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC149ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA76ms
FieldValue
Serial1
Primary NS (MNAME)ns1.bdm.microsoftonline.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
74ms
MX
75ms
AAAA
75ms
TXT
166ms
CAA
73ms
HTTPS
75ms
TLSA
2157ms
SOA
76ms
MTA-STS
70ms
DNSSEC
149ms
SRV
0ms
Total
2676ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-21 22:23:44 803ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 04:55:16 2676ms 4 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone